CN1561724A - Biological-chemical synergistic sterilizer and its use - Google Patents

Biological-chemical synergistic sterilizer and its use Download PDF

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Publication number
CN1561724A
CN1561724A CN 200410014347 CN200410014347A CN1561724A CN 1561724 A CN1561724 A CN 1561724A CN 200410014347 CN200410014347 CN 200410014347 CN 200410014347 A CN200410014347 A CN 200410014347A CN 1561724 A CN1561724 A CN 1561724A
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kresoxim
methyl
jinggangmeisu
bactericide
biological
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CN1283150C (en
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李红霞
王建新
周明国
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Nanjing Agricultural University
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Nanjing Agricultural University
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Abstract

A chemically-biological synergistic bactericide for preventing and treating the Rhizoctonia diseases and fungal diseases of agricultural crops contains jinggangmycin A (validamycin A), kresoxim-methyl, filler, solvent, water and assistant.

Description

A kind of biological-chemical synergic bactericide and application thereof
One, technical field
A kind of biological-chemical synergic bactericide and application thereof belong to bactericide agricultural chemicals prescription novel, efficient, low toxicity.Be exclusively used in development and production suspension of pesticide resistance generation, safe in utilization, the bactericide being convenient to promote the use of.
Two, technical background
Methoxy acrylate series bactericidal agent (strobilurins) is to be the bionical synthesizing fungicide of a class that lead compound exploitation comes with natural products strobilurin A, be behind benzimidazole and triazole bactericidal agent, shake a class new type bactericide in bactericide field once more.This is a class broad-spectrum germicide, can effectively prevent and treat the caused plant disease of oomycetes, sac fungi, basidiomycetes and imperfect fungus.Developed products such as Fluoxastrobin and kresoxim-methyl in 1992 abroad in succession.Many countries such as the U.S. have have successfully prevented and treated tens of plant species diseases such as paddy rice, cereal crop, vegetables, fruit tree, lawn with this series bactericidal agent.But the intrinsic resistance risk of this series bactericidal agent is high-caliber, be easy to develop immunity to drugs, and cost is higher.The Application and Development of this class new type bactericide is for the invention provides material base.
Rice sheath blight disease is a kind of very important rice disease that is caused by a kind of rhizoctonia Pellicularia sasakii (Shirai) Ito (asexual generation Rhizoctonia solani).The sixties in last century rise, along with the popularization of paddy rice short-stalked variety, and high fertile, dense planting The Application of Technology, the generation of banded sclerotial blight is also serious thereupon.Banded sclerotial blight can endanger early, middle and late rice, causes leaf sheath and blade withered, causes ripening rate and thousand kernel weight significantly to reduce, and rice strain lodging is withered when serious.Be that China rice district the area maximum takes place, endangers one of the heaviest rice disease at present, even more serious to take place on the south the Changjiang river.China is to the control of rice sheath blight disease, owing to lack the chemical agent of special efficacy, it is main that a very long time in past is adopted cultural control, and nineteen sixties is brought into use organic arsine bactericidal agent for preventing and treating rice sheath blight disease, lasts more than ten years.Until middle nineteen seventies, screen a kind of streptomyces hygroscopicus in the soil in area, Jinggang Mountain, pesticide research place, Shanghai, jinggangmeisu that its fermentation produces has, low toxicity efficient to rhizoctonia, advantage such as produces, cost is low, environmentally safe easily.This research department has at first pointed out at home and abroad that by risk profile and pharmacological research jinggangmeisu does not only develop immunity to drugs in China, and in the viewpoint that also is not easy in the future to develop immunity to drugs.Three become the main medicament that China is used for preventing and treating rice sheath blight disease during the last ten years always.But this biological antibiotic element is degraded easily, drug effect is short, and producing at one needs repeatedly medication season in the process.
Three, summary of the invention
Technical problem the present invention is directed to that the jinggangmeisu fungicidal spectrum that uses in existing the production is narrow, drug effect short and disturb glycometabolic defective in the fungus body, a kind of new bio-chemical cooperated bactericide compounded dose is provided, reaches the purpose that enlarges fungicidal spectrum, reduces cost, prolongs residual effect, improves effect, increases safety, stops pesticide resistance to take place.
A kind of biological-chemical synergic composite bactericide of technical scheme and application thereof is characterized in that it is characterized in that, the effective ingredient of pharmaceutical formulation contains jinggangmycin A and methoxy acrylic bactericide.Methoxy acrylic bactericide mainly refers to kresoxim-methyl, oxime bacterium ester, Fluoxastrobin.Adopt conventional production process to make emulsifiable concentrates for agricultural chemicals (EC), suspending agent (SC), wetting powder (WP), water dispersible granules (WG) and aqueous emulsion (EW), solubility aqua preparations such as (SL).
A kind of biological-chemical synergic bactericide prescription and application thereof, prepare the mixture of the various formulations of 1000 grammes per square metre jinggangmeisus (jianggangmycin A) kresoxim-methyls (claiming kresoxim-methyl kresoxim-methyl again), its pharmaceutical formulation preferably contains: and jinggangmycin A 0.5%～60% (percentage by weight, Hereinafter the same), kresoxim-methyl 1%～55%, auxiliary agent, solvent and filler and water 10%～80%.According to the difference of using object, can be made into the various formulations of pesticide of different content and prescription.Purposes of the present invention is the fungal disease of plants such as control paddy rice, wheat, vegetables, fruit tree, lawn.
A kind of contained component of each form formula of biological-chemical synergic composite bactericide and proportioning are as follows:
5%～60% (percentage by weight, Hereinafter the same) preparation of missible oil:
Jinggangmeisu 0.5%～60%
Kresoxim-methyl (kresoxim-methyl) 1%～50%
Solvent 35%～85%
Emulsifier 3%～15%
The preparation of 5%～50% suspending agent, aqueous emulsion:
Jinggangmeisu 0.5%～60%
Kresoxim-methyl 1%～45%
Solvent 5%～45%
Auxiliary agent 3%～15%
Water 10%～70%
The preparation of 5%～60% wetting powder, water dispersible granules:
Jinggangmeisu 0.5%～60%
Kresoxim-methyl 1%～55%
Adsorbent, filler 35%～75%
Auxiliary agent 5%～10%
Range of application or controlling object mainly are the various plant diseases that caused by rhizoctonia with compositional bactericidal agent for preventing and treating, as various crop fungal diseases such as rice sheath blight disease, wheat sharp eyespot, vegetables damping off, lawn brown spot and false smut.Per hectare is used the active ingredient 45-900 gram of preparation.
Using method comprises that adopting various utensils to carry out seed treatment, soil treatment and spraying handles.
The beneficial effect inventor passes through the generation to above-mentioned plant disease, operation technique, mechanism of action and the pesticide resistance research of control medicament, for the invention provides technical foundation.The present invention carries out compound screening by utilizing new type bactericide kresoxim-methyl and microbial fermentation product jinggangmeisu, and its target is to reduce production costs, improve preventive effect, improvement pesticide resistance.The present invention mainly prevents and treats by beyond the microbial rice sheath blight disease of miliary damping-off, wheat sharp eyespot, vegetables damping off, the lawn brown spot etc., can also doublely control other multiple fungal diseases such as false smut.The present invention meets the needs of the nuisanceless production of current agricultural product.Through indoor and field control effectiveness test, its result shows that two compositions hold mutually, and are of many uses, safe in utilization by the present invention, and effect is remarkable.Compare with other agricultural chemicals and to have following advantage:
1. formulation product of the present invention belongs to the biological agricultural chemicals of high-efficiency low-toxicity, low-residual, environmentally compatible, meets the green non-pollution agricultural product and produces and the environment-friendly quality requirement.
2. this prescription medicament is strong to the disease broad spectrum activity of paddy rice or other crops, can both reach protection and therapeutic action to different types of pathogen.Simultaneously can prevent and treat the disease that other medicament has been developed immunity to drugs, and can delay germ pesticide resistance is appearred in single agent in filling a prescription.
3. this formulation product using method is simple, cost is low, and peasant household all can accept.
4. the various pathogen preventive effects of this invention are stabilized in more than 70%～90%.To wheat, paddy rice, vegetables, fruit tree, lawn safety, prevent and treat the effective of the main disease of these plants, be not easy to develop immunity to drugs.A kind of biological-chemical synergic bactericide prescription and application thereof belong to bactericide agricultural chemicals prescription novel, efficient, low toxicity.Jinggangmeisu microorganism belonging to genus tunning in the prescription has very high bactericidal activity to Rhizoctonia solani Kuhn, and cost is very low.Kresoxim-methyl also is a kind of synthetic bionical bactericide, and it is wide to have a fungicidal spectrum, and quick-acting is strong, and oomycetes, sac fungi, basidiomycetes and imperfect fungus are all had very strong protection and therapeutic action.After two medicines were composite, fungicidal spectrum obviously increased, and drug effect strengthens, and various pathogen preventive effects are stabilized in more than 70%～90%, has really reached the purpose that a medicine is controlled more; Production cost is than kresoxim-methyl low 20%～35%.Composite back synergy is obvious, indoor coefficient of synergism to Rhizoctonia solani Kuhn is up to 2.7435, the effect of field control rice sheath blight disease can reach 70%～85%, the effect of control wheat class banded sclerotial blight (damping off) can reach 70%～80%, the effect of control lawn brown spot can reach 78%～89%, and the effect of seed treatment control vegetables damping off reaches 70%～90%.
Four, specific embodiments and effect
(1) indoor prescription screening
It is to be dissolved in solvent with kresoxim-methyl and the former medicine of jinggangmycin A respectively with 1: 0.1～15 different proportion that indoor virulence and coefficient of synergism are measured, and sneaks into culture matrix then, and mensuration is to the inhibition activity (the results are shown in Table 1) of various conks.Calculate EC 50Value and coefficient of synergism.According to using crop and main controlling object, select the proportioning of coefficient of synergism (SR) value 〉=1.5 for use, and carry out appropriate dosage forms processing.
The indoor prescription The selection result of table 1
Medicament Regression equation Correlation coefficient ??EC50 Coefficient of synergism (SR)
The former medicine of kresoxim-methyl ??Y＝5.6481+0.5054X ??0.9102 ??0.0522 ????/
20% jinggangmeisu aqua ??Y＝4.7762+0.4055X ??0.9865 ??3.5630 ????/
Benzene: well 1: 2 ??Y＝5.6828+0.8772X ??0.9279 ??0.1666 ????0.8848
Benzene: well 1: 3 ??Y＝5.8323+0.8962X ??0.9798 ??0.1178 ????1.6256
Benzene: well 1: 4 ??Y＝5.8944+0.8353X ??0.9825 ??0.085 ????2.7435
Benzene: well 1: 5 ??Y＝5.7335+0.8435X ??0.9770 ??0.1350 ????2.0215
(2) field operation technique and drug effect thereof
Embodiment 1. prevents and treats the rice sheath blight disease test
This test arrangement carries out in cardinal principles of righteousness town, Changshu City, Jiangsu Province, and rice varieties is No. 5, salt round-grained rice.Experimental field the irrigation and drainage facility is complete, land readjustment, and base manure uses urea 10Kg, composite fertilizer 10Kg, tillering fertilizer 8Kg urea, ear manuer 12Kg urea.Conventional water is educated transplanting rice, and field management is carried out routinely, water depth 3cm during dispenser.Test is handled and is respectively 20% jinggangmeisu kresoxim-methyl WP (20% jinggangmeisu aqua 800g, the former medicine 40g of kresoxim-methyl, 884 composite assistant 60g, white carbon 100g) per hectare 225g, 300g, 375g, and the contrast medicament is 20% jinggangmeisu aqua 375g/hm 2With 30% kresoxim-methyl SC 400mL/hm 26 processing, 4 repetitions of every processing, totally 24 sub-districts, sub-district area 20m 2Use knapsack hand sprayer, aperture 0.7mm, water consumption 750L/hm 2Spray for the first time medicine on August 3rd, 2003, medication for the second time on August 18.
Result of the test sees Table 2,20% jinggangmeisu kresoxim-methyl WP has certain preventive effect to rice sheath blight disease, and per hectare uses the average preventive effect of 225g, 300g, 375g to be respectively 40.09%, 72.43%, 85.34%.Preventive effect significant difference, wherein 20% jinggangmeisu kresoxim-methyl WP 375g/hm between three processing 2Preventive effect best, up to 85.34%, with also significant difference of 2 kinds of contrast medicaments.
Table 2 10% jinggangmeisu kresoxim-methyl WP prevents and treats the result of rice sheath blight disease
Repeat Disease refers to Disease refers to growth rate (%) Imitate positive preventive effect (%) Significance analysis 0.05
20% jinggangmeisu kresoxim-methyl WP 225g/hm 2 ????1 ????1.85 ????86.87 ????c
????2 ????3.70 ????158.74
????3 ????4.86 ????211.54
????4 ????3.90 ????146.84
On average ????3.58 ????157.55 ????40.09
20% jinggangmeisu kresoxim-methyl WP 300g/hm 2 ????1 ????4.69 ????34.77 ????b
????2 ????10.49 ????44.49
????3 ????2.94 ????157.89
????4 ????6.72 ????166.67
On average ????6.21 ????72.50 ????72.43
20% jinggangmeisu kresoxim-methyl WP 375g/hm 2 ????1 ????4.67 ????47.78 ????a
????2 ????1.19 ????65.28
????3 ????6.94 ????52.86
????4 ????3.23 ????5.55
On average ????4.01 ????49.07 ????85.34
30% kresoxim-methyl SC 400mL/hm 2 ????1 ????2.10 ????68.67 ????b
????2 ????1.06 ????65.41
????3 ????5.16 ????72.78
????4 ????4.86 ????65.78
On average ????4.30 ????68.16 ????73.27
????1 ????2.49 ????89.41 ????b
20% jinggangmeisu 375g/hm 2 ????1 ????2.49 ????89.41
????3 ????3.68 ????96.89
????4 ????1.46 ????71.56
On average ????2.25 ????86.32 ????69.89
????1 ????5.41 ????387.39
????2 ????5.63 ????212.78
????3 ????4.30 ????305.66
????4 ????4.25 ????197.20
Embodiment 2 control wheat sharp eyespot tests
This test is located at Xian Longhe township, Henan, place, Jiangsu Province, and the test region soil types is two to close soil, soil organic matter content 1.5%, total nitrogen content 0.08%, pH value 7.2, two seasons of paddy and wheat year after year experimental field, other chemical control of duration of test.Wheat breed is new wheat No. 9.Per hectare adopts 20% jinggangmeisu kresoxim-methyl WP (prescription is seen embodiment 1) 300g, 450g, 600g, and the contrast medicament is 20% jinggangmeisu water solube powder 750g and 30% kresoxim-methyl 300mL.Sowing on October 20th, 2002, drilling.Wheat during jointing stage, on March 15th, 2003 is spraying time for the first time, and each 10 days at interval, dispenser was 4 times altogether, and the per hectare dosage is converted water 900kg, little machine spraying.
May 10, investigation result was investigated 100 strains to every sub-district, and every processing is investigated the disease index of 400 strains and analyzed, and the results are shown in Table 3.Although illustrate that respectively to investigate the sub-district disease index variant between repeating, average result increases with drug dose, and wheat sharp eyespot is had preventive effect preferably.20% jinggangmeisu kresoxim-methyl mixture 450g, 600g/hm 2Preventive effect be respectively 76.01% and 80.47%, be better than 20% jinggangmeisu 750g/hm 2Preventive effect and 30% kresoxim-methyl 300mL/hm 2Preventive effect.Therefore, spray 20% jinggangmeisu kresoxim-methyl mixture at wheat during jointing stage, the propagation that can effectively suppress rhizoctonia cerealis spreads, and disease index obviously descends.
Table 3 20% jinggangmeisu kresoxim-methyl is to the control efficiency of wheat sharp eyespot
Disease refers to preventive effect
Handle diseased plant rate (%) disease index
(％)
20% jinggangmeisu kresoxim-methyl 300g/hm 225.86 11.57 63.43c
20% jinggangmeisu kresoxim-methyl 450g/hm 217.73 7.59 76.01b
20% jinggangmeisu kresoxim-methyl 600g/hm 214.31 6.18 80.47a
30% kresoxim-methyl 300mL/hm 220.29 9.08 71.30b
20% jinggangmeisu 750g/hm 223.44 12.09 61.79c
CK???????????????????????????????????51.22????????????31.64?????????/
Embodiment 3 control lawn brown spot tests
This test arrangement carries out on the lawn of lawn nursery stock company of Agricultural University Of Nanjing, experimental field for sowing Festuca Arundinacea then.Adopt 20% jinggangmeisu kresoxim-methyl WP per hectare 400g, 800g, 1200g, the contrast medicament is 20% jinggangmeisu WP 375g/hm 2With 30% kresoxim-methyl SC 400mL.Totally 5 processing, 4 repetitions of every processing, totally 20 sub-districts, sub-district area 30m 2According to occurrence regularity over the years, the spray of beginning on June 23rd, 2003 protectiveness is medicine for the first time, and this moment, the region of disease about several diameter 5cm just appearred in the test region, and spray in July 3 is medicine for the second time, and spray in July 13 is medicine for the third time; The 4th medicine of spray in July 23, shared medicine four times.The sharp agricultural sprayer of Singapore, 750L/hm are adopted in test 2The soup even spraying.Duration of test is a rainy weather, and rainfall is many, and the lawn is in dampness for a long time, and temperature height, suitable rhizoctonia cause generation, the development of disease.
The onset area that the results are shown in Table 4,20% jinggangmeisu kresoxim-methyl WP per hectare 400g, 800g, 1200g processing is starkly lower than blank, and preventive effect is respectively 78.30%, 88.26%, 88.49%.Convert disease index to subduplicate arcsine value, the analysis showed that through DMRT method significance, preventive effect no significant difference between three concentration of treatment, all be higher than far away 2 the contrast medicaments preventive effect.
The result of table 4 50% jinggangmeisu kresoxim-methyl WG control lawn brown spot
Medicament Repeat 1 Repeat 2 Repeat 3 Repeat 4 Mean value Average onset area (counter-rotating of left column mean changes % into) Average preventive effect (%)
20% jinggangmeisu kresoxim-methyl WG 400g/hm 2 ??25.408 ??21.48 ?20.83 ?22.96 ?22.67bc ????14.86 ??78.30
20% jinggangmeisu kresoxim-methyl WG 800g/hm 2 ??22.34 ??26.50 ?12.94 ?12.27 ?18.52c ????10.09 ??85.26
20% jinggangmeisu. kresoxim-methyl WG 1200g/hm 2 ??10.89 ??18.58 ?22.88 ?12.85 ?16.30c ????7.88 ??88.49
20% jinggangmeisu WP 375g/hm 2 ??22.32 ??23.68 ?27.41 ?20.86 ?30.81b ????26.24 ??61.67
30% kresoxim-methyl SC 600mL/hm 2 ??25.15 ??28.46 ?32.65 ?24.94 ?27.80b ????21.75 ??68.23
CK ??63.48 ??33.49 ?66.04 ?60.34 ?55.84a ????68.47 ??/
Used solvent, emulsifier, auxiliary agent, the inserts of each formulation of the present invention is that those skilled in the art grasp and use.

Claims (5)

1. biological-chemical synergic composite bactericide and application thereof is characterized in that the effective ingredient of pharmaceutical formulation contains jinggangmycin A and methoxy acrylic bactericide.
2. according to described a kind of biological-chemical synergic composite bactericide of claim 1 and application thereof, it is characterized in that, prepare the mixture of the various formulations of 1000 grammes per square metre jinggangmeisu kresoxim-methyls, its pharmaceutical formulation contains: and jinggangmycin A 0.5%～60% (percentage by weight, Hereinafter the same), kresoxim-methyl 1%～55%, auxiliary agent, solvent and filler and water 10%～80%.
3. according to claim 1 or 2 described a kind of biological-chemical synergic composite bactericide and application thereof, it is characterized in that contained component and proportioning are as follows:
5%～60% missible oil:
Jinggangmeisu 0.5%～60%
Kresoxim-methyl 1%～50%
Solvent 35%～85%
Emulsifier 3%～15%
5%～50% suspending agent, aqueous emulsion:
Jinggangmeisu 0.5%～60%
Kresoxim-methyl 1%～45%
Solvent 5%～45%
Auxiliary agent 3%～15%
Water 10%～70%
5%～60% wetting powder, water dispersible granules:
Jinggangmeisu 0.5%～60%
Kresoxim-methyl 1%～55%
Adsorbent, filler 35%～75%
Auxiliary agent 3%～15%.
4. according to described a kind of biological-chemical synergic composite bactericide of claim 1 and application thereof, it is characterized in that methoxy acrylic bactericide mainly refers to kresoxim-methyl, oxime bacterium ester, Fluoxastrobin.
5. the application of the described bactericide of one of claim 1-5, comprise: the various plant diseases that cause by rhizoctonia with compositional bactericidal agent for preventing and treating, as various crop fungal diseases such as rice sheath blight disease, wheat sharp eyespot, vegetables damping off, lawn brown spot and false smut, per hectare is used the active ingredient 45-900 gram of preparation, adopts various utensils to carry out seed treatment, soil treatment and spraying and handles.
CN 200410014347 2004-03-18 2004-03-18 Biological-chemical synergistic sterilizer and its use Expired - Fee Related CN1283150C (en)

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CN100364397C (en) * 2005-09-15 2008-01-30 南京第一农药有限公司 Germicide composition containing kresoxim-methyl and isoprothiolane and its application
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CN103503888A (en) * 2012-06-18 2014-01-15 张长平 Complex insecticidal bactericide used for controlling paddy rice insect disease
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CN100364397C (en) * 2005-09-15 2008-01-30 南京第一农药有限公司 Germicide composition containing kresoxim-methyl and isoprothiolane and its application
CN100382692C (en) * 2005-09-15 2008-04-23 南京第一农药有限公司 Synergistic germicide composition containing kresoxim-methyl and propiconazol
CN101755842B (en) * 2009-12-21 2012-07-11 福建新农大正生物工程有限公司 Bactericide composition containing kresoxim-methyl
US10051860B2 (en) 2010-03-03 2018-08-21 Sumitomo Chemical Company, Limited Plant disease controlling composition and method for controlling plant disease
WO2011108753A3 (en) * 2010-03-03 2012-01-12 Sumitomo Chemical Company, Limited Plant disease controlling composition and method for controlling plant disease
AU2011221767B2 (en) * 2010-03-03 2015-03-19 Sumitomo Chemical Company, Limited Plant disease controlling composition and method for controlling plant disease
CN102834004A (en) * 2010-03-03 2012-12-19 住友化学株式会社 Plant disease controlling composition and method for controlling plant disease
CN101836631A (en) * 2010-05-27 2010-09-22 浙江省桐庐汇丰生物化工有限公司 SYP-1620-Jinggangmycin compound biocide
CN101984812A (en) * 2010-12-14 2011-03-16 江苏省绿盾植保农药实验有限公司 Bactericide containing benzene kresoxim-methyl and validamycin A
CN102302026A (en) * 2011-03-12 2012-01-04 陕西汤普森生物科技有限公司 Bactericidal composition containing pyraclostrobin and antibiotic compounds
CN102217618B (en) * 2011-03-31 2014-03-05 陕西汤普森生物科技有限公司 Bactericidal composition containing trifloxystrobin and antibiotic compounds
CN103688931A (en) * 2011-03-31 2014-04-02 陕西汤普森生物科技有限公司 Bactericidal composition containing trifloxystrobin and antibiotic compounds
CN102217618A (en) * 2011-03-31 2011-10-19 陕西汤普森生物科技有限公司 Bactericidal composition containing trifloxystrobin and antibiotic compounds
CN103027049A (en) * 2011-09-30 2013-04-10 张长平 Compound pesticide composition, application and preparation
CN103503888A (en) * 2012-06-18 2014-01-15 张长平 Complex insecticidal bactericide used for controlling paddy rice insect disease
CN102783488A (en) * 2012-08-31 2012-11-21 张光来 Azoxystrobin and validamycin A composite bactericide
CN108064852A (en) * 2016-11-11 2018-05-25 华中师范大学 A kind of composition pesticide and its application containing benzothiostrobin and jinggangmeisu

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